Penned Hearts needs to find out what happened to all the ponies of Equestria, and she can't do it alone. With Flitter Note, Aqua Marina, Spirals, Josie, and Pom Clarity, she takes off the new Library of the Two Sisters. With almost every salvagable book from the old castle in the Everfree, it has all the information anyone could use! Once they arrive, though, something stops them - the five stones sitting in the middle of the library. One had an apple, one a lightning bolt, one a diamond, one a butterfly, and the final had a balloon carved into the face.